/**
 * Created by echoLC on 2017/7/21.
 */
const path = require('path')
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    entry: {
        app: path.resolve(__dirname, 'app/index.jsx'),
        // 将 第三方依赖 单独打包
        vendor: [
            'react',
            'react-dom',
            'react-redux',
            'react-router',
            'redux',
            'es6-promise',
            'whatwg-fetch',
            'immutable',
            'react-addons-pure-render-mixin',
            'react-addons-css-transition-group'
        ]
    },
    output: {
        path: __dirname + "/build",
        filename: "js/[name].[chunkhash:8].js",
        publicPath: '/'
    },

    resolve:{
        extensions:[' ', '.js','.jsx']
    },

    module: {
        loaders: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader?cacheDirectory=true'
                    }
                },
            {
                test: /\.scss$/,
                exclude: /node_modules/,
                use: ExtractTextPlugin.extract({
                    fallback: 'style-loader',
                    use: [
                        {loader: "css-loader"},
                        {loader: "sass-loader"},
                        {loader: "postcss-loader"}]
                })
            },
            {
                test: /\.css$/,
                exclude: /node_modules/,
                use: ExtractTextPlugin.extract(
                    {
                        fallback: 'style-loader',
                        use: [
                            {loader: "css-loader"},
                            {loader: "postcss-loader"}]
                    })
            } ,
            {
                test:/\.(png|gif|jpg|jpeg|bmp)$/i,
                use:['url-loader?limit=5000&name=img/[name].[chunkhash:8].[ext]']
            },
            {
                test:/\.(png|woff|woff2|svg|ttf|eot)($|\?)/i,
                use: ['url-loader?limit=5000&name=fonts/[name].[chunkhash:8].[ext]']
            }
        ]
    },
    plugins: [
        // webpack 内置的 banner-plugin
        new webpack.BannerPlugin("Copyright by echoLC@github.com."),

        // html 模板插件
        new HtmlWebpackPlugin({
            template: __dirname + '/app/index.html'
        }),

        // 定义为生产环境，编译 React 时压缩到最小
        new webpack.DefinePlugin({
            'process.env':{
                'NODE_ENV': JSON.stringify(process.env.NODE_ENV)
            }
        }),

        // 为组件分配ID，通过这个插件webpack可以分析和优先考虑使用最多的模块，并为它们分配最小的ID
        new webpack.optimize.OccurrenceOrderPlugin(),

        new webpack.optimize.UglifyJsPlugin({
            compress: {
                //supresses warnings, usually from module minification
                warnings: false
            }
        }),

        // 分离CSS和JS文件
        new ExtractTextPlugin('css/[name].[chunkhash:8].css'),

        // 提供公共代码
        new webpack.optimize.CommonsChunkPlugin({
            name: 'vendor',
            filename: 'js/[name].[chunkhash:8].js'
        }),

        // 可在业务 js 代码中使用 __DEV__ 判断是否是dev模式（dev模式下可以提示错误、测试报告等, production模式不提示）
        new webpack.DefinePlugin({
            __DEV__: JSON.stringify(JSON.parse((process.env.NODE_ENV == 'dev') || 'false'))
        })
    ]
}